This is episode two of a three-part series. You can listen to part one here and part three here. [CLIP: Theme music] Rachel Feltman: Ever wondered what math actually is? No? Well, mathematicians sure ...
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History of Inventions
The human capacity for invention and discovery is a remarkable phenomenon that has shaped the course of history. It is as if humans are driven by an innate desire to improve their lives and the world ...
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